Analysed the shortcomings in curre nt database construction. Listed the adv antages of full text database.Asserted t hat under network conditions,its not a wise method to publish those retrieval p eriodicals.Paid length on the possibilit y,the conditions of computer system,the work of library stuff members,and possib le problems in the full text database constr uction.Concluded that its time to estab lish a wide range full text database.